Lateral foot bone bulge in 10-year-old children may be caused by joint deformity, toe bursitis and other conditions. It is recommended to go to the hospital in time to identify the cause of the disease and treat it in time so as not to delay the patient’s condition. 1. Joint deformity: If it does not affect the patient’s current standing or walking, no special treatment is recommended. If it affects the patient’s upright activities, it is recommended to consult a doctor in time and carry out conservative treatment under the doctor’s guidance, generally taking manipulation to reset, with a brace or orthopedic shoes to achieve gradual correction. If the deformity is more serious, surgical treatment is possible, such as osteotomy, joint fusion surgery. 2. Toe bursitis: Inflammation of the joint capsule of the first metatarsophalangeal joint of the foot may occur, usually resulting in pain, redness, swelling and other symptoms. It is recommended to seek medical treatment in time. General treatment and medication are recommended for mild or first attack, patients can change to wear loose shoes so as to alleviate the inflammation, and medication such as aspirin and indomethacin can be used under the guidance of the doctor to play a role in eliminating the inflammation. For 10-year-old children with lateral foot bone bumps, it is recommended to seek medical attention to identify the cause and treat it promptly. All of the above medications should be used under the supervision of a doctor.